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Finding the Fourth Proportional to 8,061.82, 12,087.41 and 3,893.58

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Solution

The fourth proportional to 8,061.82, 12,087.41 and 3,893.58 is: 5,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.82 : 12,087.41 = 3,893.58 : x
  2. Step 2: Convert to fraction form
    8,061.82/12,087.41 = 3,893.58/x
  3. Step 3: Cross multiply
    8,061.82x = 12,087.41 × 3,893.58
  4. Step 4: Simplify right side
    8,061.82x = 47,063,297.83
  5. Step 5: Solve for x
    x = 47,063,297.83/8,061.82
  6. Step 6: Final answer
    x = 5,837.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.